From 21554157677db983459850493c6075b29beae29f Mon Sep 17 00:00:00 2001
From: Hakim El Hattab
Date: Tue, 28 Jun 2016 12:23:40 +0200
Subject: more flexible back arrow controls option

---
 css/reveal.scss | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

(limited to 'css/reveal.scss')

diff --git a/css/reveal.scss b/css/reveal.scss
index ead768b..3127453 100644
--- a/css/reveal.scss
+++ b/css/reveal.scss
@@ -333,11 +333,11 @@ body {
 		transform: translateX(-50%) rotate( -90deg );
 	}
 
-	// The deemphasize back arrows option strongly deemphasizes
-	// backwards navigation in favor of drawing attention to
-	// forwards navigation
-	&.deemphasize-back-arrows .navigate-left.enabled,
-	&.deemphasize-back-arrows .navigate-up.enabled {
+	// Back arrow style: "deemphasized":
+	// Strongly deemphasizes backwards navigation in favor of drawing
+	// attention to forwards navigation
+	&[data-controls-back-arrows="deemphasized"] .navigate-left.enabled,
+	&[data-controls-back-arrows="deemphasized"] .navigate-up.enabled {
 		opacity: 0.3;
 
 		&:hover {
@@ -345,6 +345,14 @@ body {
 		}
 	}
 
+	// Back arrow style: "hidden":
+	// Never shows any arrows for backwards navigation
+	&[data-controls-back-arrows="hidden"] .navigate-left.enabled,
+	&[data-controls-back-arrows="hidden"] .navigate-up.enabled {
+		opacity: 0;
+		visibility: hidden;
+	}
+
 	// Any control button that can be clicked is "enabled"
 	.enabled {
 		visibility: visible;
-- 
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